Home / 325,629,552.70-488,295,029.85-143,783,127.10

Finding the Fourth Proportional to 325,629,552.70, 488,295,029.85 and 143,783,127.10

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Solution

The fourth proportional to 325,629,552.70, 488,295,029.85 and 143,783,127.10 is: 215,608,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,629,552.70 : 488,295,029.85 = 143,783,127.10 : x
  2. Step 2: Convert to fraction form
    325,629,552.70/488,295,029.85 = 143,783,127.10/x
  3. Step 3: Cross multiply
    325,629,552.70x = 488,295,029.85 × 143,783,127.10
  4. Step 4: Simplify right side
    325,629,552.70x = 70,208,586,339,220,848
  5. Step 5: Solve for x
    x = 70,208,586,339,220,848/325,629,552.70
  6. Step 6: Final answer
    x = 215,608,766.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.